Science News - The Hindu

Genes at play: One gene promotes glucose uptake and consumption by breast cancer cells whereas another does the opposite.

Glucose addiction can foment tumours

Study reveals genes’ roles in regulating glucose utilisation by breast cancer cells

Ancient commerce: Trade and cultural ties took place between the East and the West even in the Bronze Age .

Exotic food exchange in the second millennium BCE

D. Balasubramanian

Shaped by competition: Evolved traits enabled the fruit flies to maintain fitness in adverse conditions.

Fruit flies evolve in response to environment

Shubashree Desikan Males modulate their reproductive investment based on perceived competition

Medical staff busy in last minute revision for vaccination at jumbo COVID-19 vaccination centre at Bandra-Kurla complex in Mumbai on the eve of first phase vaccination drive.

Scientists divided over restricted use approval for Covaxin

R. Prasad While some say safety parameters are good, others have asked for efficacy data

Editor's Pick

Web of facts: The study finds that a spider subfamily, Theotiminae, might have come from Africa, whereas a sister family, Ochyroceratinae, has a South American origin.

Watch | Can spiders build webs in space?

The Hindu Net Desk A video on NASA's experiments with spiders in space on board the Skylab and ISS

An eye for an i #419

Loring and Schwerdt, and their search for poliovirus

Stanford scientists Hubert Scott Loring and Carlton Everett Schwerdt announced their successful isolation of poliovirus on January 10, 1947. Even though it was only 80% pure and extracted from cotton rats infected with polio, it was a breakthrough at the time and a giant stride in our continuing fight against polio.

A healthcare worker works on a coronavirus disease (COVID-19) test from a positive patient inside a COVID-19 unit at Trinitas Regional Medical Center in Elizabeth, New Jersey, U.S. | File

Coronavirus | Most hospitalised COVID-19 patients have at least one symptom 6 months after falling ill: study

PTI The most common symptom to persist was muscle weakness, with patients also frequently experiencing sleep difficulties

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A closeup of a Ladybird Beetle spotted in farm fields near Ibrahimpatnam in Krishna district.

Watch | The world’s insect population is declining

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Fruit flies evolve in response to environment

DNA exchanges in plants

Exotic food exchange in the second millennium BCE

Glucose addiction can foment tumours

60 Minutes Science

This is a wonderful time to work on black holes: astrophysicist Parameswaran Ajith

Tiny worms can make complex travel decisions when hitch-hiking: IISc study

Coronavirus | Indian scientists divided over nod for Covaxin

While some say safety parameters are good, others have asked for efficacy data

RIP: Mars digger bites the dust after 2 years on red planet

NASA has declared the Mars digger dead after failing to burrow deep into the red planet to take its temperature.Scientists in Germany spent two years

All about vaccination: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Watch | The world’s insect population is declining

A video on the world's declining insect population

In pictures: NASA's Curiosity Rover celebrates 3000 days on Mars

A martian day is slightly longer than an Earth day. It is approximately 24 hours, 39 minutes, 35 seconds long

Best from science journals: Why are platypus so weird?

Here are some of the most interesting research papers to have appeared in top science journals last week.

Tardy hunt for UK variant of virus

Centre not actively looking for community spread of strain, says scientists

Watch | All about the bird flu outbreak in India

A video explainer on the Avian Influenza outbreak in India

World insect population declining at an alarming rate, say studies

Honeybees have been in dramatic decline because of disease, parasites, insecticides, herbicides and lack of food

‘COVID-19 herd immunity unlikely in 2021 despite vaccines’

The World Health Organization’s (WHO’s) chief scientist warned that even as numerous countries start rolling out vaccination programmes to stop

NARL scientists solve mystery over unequal aerosol distribution

Research paper published in the latest issue of the Nature magazine

Watch | Can spiders build webs in space?

A video on NASA's experiments with spiders in space on board the Skylab and ISS

Coronavirus | Most hospitalised COVID-19 patients have at least one symptom 6 months after falling ill: study

The most common symptom to persist was muscle weakness, with patients also frequently experiencing sleep difficulties

Coronavirus | COVID-19 ICU patients at risk of acute brain dysfunction, says study

The choice of sedative medications and curbs on family visitation played a role

Loring and Schwerdt, and their search for poliovirus

Stanford scientists Hubert Scott Loring and Carlton Everett Schwerdt announced their successful isolation of poliovirus on January 10, 1947. Even though it was only 80% pure and extracted from cotton rats infected with polio, it was a breakthrough at the time and a giant stride in our continuing fight against polio.

Identical twins aren’t perfect clones, study shows

15% of identical twins showed up to 100 genetic differences

Question Corner: Why haven’t crocodiles evolved much since the age of the dinosaurs?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Harnessing what Einstein called spooky ‘action at a distance’

‘Entangled’ particles mimic changes in each other regardless of the separation

Coronavirus | A vaccine is a vaccine... regulators never approve a backup, says virologist Shahid Jameel

Dr. Jameel says there is no experimental evidence so far that Covaxin will neutralise newly emerging mutants any better.

Coronavirus | New challenges for COVID-19 vaccine trials in India

With the daily cases coming down, many people who would have volunteered would not see the urgency now as earlier

Decoding a meteorite that fell near Jaipur in 2017

It is a type of stony meteorite that is a remnant of the first solid bodies to accrete in the solar system

Watch | 2020: Indian bird-watchers' paradise

A video on the bird watching highlights of the year 2020

All about viruses: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Science policy to help researchers access top journals for free

It now costs around ₹1,500 crore annually to subscribe to them

Best from science journals: How did asteroid Ryugu lose its water

Here are some of the most interesting research papers to have appeared in top science journals last week

Rare white tiger born at Nicaragua zoo

She is the first-ever white tiger born in the country, to a pair of yellow-and-black-coloured Bengals.

CSIR-CCMB study shows air borne transmission of coronavirus is possible under certain conditions

Viral particles could be detected in air especially in closed rooms where COVID positive individuals had spent longer periods, even after two hours of their exit from the room and at distances greater than two meters as well.

Can spiders weave webs without gravity?

They were sent into space for the first time in 1973

Question Corner: Can some mosquitoes cause more malaria transmission?

Readers may send their questions/answers to questioncorner@thehindu.co.in

Coronavirus | India and the race for vaccine development

Despite having several advantages, India has missed winning the race

Woolly rhino from the Ice Age found in Russia

A well-preserved Ice Age woolly rhino with many of its internal organs still intact has been recovered from permafrost in Russia's extreme

A new measure that can predict whether a city is prone to rain- or tide-based flooding

Research showed Chennai was rainfall dominated and Mithi catchment was storm-tide dominated

Coronavirus | Why people with prior infection still need COVID-19 vaccination

The immune responses of people to natural infection can be modified by immune evasion mechanisms of the virus

From AI to LIGO: The Hindu Science Quiz

Correct answers are highlighted in green. Click on the correct answer for further reading on the topic.

Well-preserved Ice Age woolly rhino found in Siberia

Recent years have seen major discoveries of mammoths, woolly rhinos, Ice Age foal, and cave lion cubs as the permafrost increasingly melts across vast areas of Siberia because of global warming.

NIIST develops alternative to single-use plastic

Technology to manufacture biodegradable tableware from agricultural residues and byproducts

Best from science journals: Microplastics in molluscs

Here is some of the most interesting research to have appeared in top science journals last week.

Coronavirus | New variant does not increase reinfection risk, disease severity, deaths

1,769 genome sequenced variant cases were matched with the same number of cases which are distinctly different from the new varian and studied

2020: The year science took centre-stage

Apart from new findings on coronavirus every single day, the year was also filled with stories from outer space, archeology and anatomy

Lasting immunity against COVID-19 found after mild and asymptomatic infection: study

The new study also provides reassurance for vaccination efforts, suggesting that even following mild infection, individuals carry antibody and T cell immunity to many parts of the virus

Two samples genome sequenced at CCMB

All their samples were sent to CCMB for genome sequencing to know if they are carrying new variant of coronavirus.

Coronavirus | Six U.K. returnees test positive for new variant

Patients in Bengaluru, Hyderabad and Pune have been kept in single-room isolation facilities.

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A medic fills a syringe with COVAXIN before administering it to a health worker during its trials, at the Gujarat Medical Education and Research Society in Ahmedabad on November 26, 2020.

36K | Coronavirus | Vaccine dilemma — to take or not to take Covaxin

Republic TV owner Arnab Goswami. File

32K | Three days before Balakot, Arnab told ex-BARC chief ‘something big will happen’

Sameera Fazili.

31K | Joe Biden’s U.S. National Economic Council pick sparks celebrations in Srinagar

15K | WhatsApp transcripts reveal BARC chief Partho Dasgupta’s links with Arnab Goswami

The remains of the mini-bus being removed from the Hubballi-Dharwad Bypass Road on Friday.

10K | Reunion plan turns tragic as 11 die in road accident

A health official shows a vial of Covishield vaccine in Assam’s Tezpur on January 15,2021.

9K | Coronavirus | World’s largest vaccination programme begins in India on January 16

Those receiving Bharat Biotech’s coronavirus vaccine Covaxin have been asked to sign a consent form before being vaccinated as the vaccine “has been allowed by the government in clinical trial mode”. Photo: Special Arrangement

9K | Coronavirus | Covaxin recipients asked to sign consent form on ‘clinical trial mode’

Vijay Sethupathi

7K | Vijay Sethupathi apologises for using a sword to cut his birthday cake

7K | Full list of 2020 Padma awardees